// Copyright 2024 The Google Research Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef ONLINE_BELIEF_PROPAGATION_BELIEF_PROPAGATION_UTILS_H_
#define ONLINE_BELIEF_PROPAGATION_BELIEF_PROPAGATION_UTILS_H_

#include <vector>

// Computes the he weight function for a given vector 'x'. Corresponds to the
// function 'F' in the paper.
std::vector<double> WeightFunction(const std::vector<double>& x,
                                   int num_clusters,
                                   double num_in_cluster_edges,
                                   double num_between_cluster_edges);

#endif  // ONLINE_BELIEF_PROPAGATION_BELIEF_PROPAGATION_UTILS_H_
